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Last Word is Â鶹´«Ã½â€™s long-running series in which readers give scientific answers to each other’s questions, ranging from the minutiae of everyday life to absurd astronomical hypotheticals. To answer a question or ask a new one, email lastword@newscientist.com
Does left-handedness or right-handedness make for a better pianist?
John Grant
Caloundra, Queensland, Australia
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When getting dressed in the morning, I want to warm up as quickly as possible. Should I put on my trousers or my top first?
Tom Van Oss
London, UK
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